18967256

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 45480960

約数和(自身を除く): 26513704

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 41, 44, 56, 77, 82, 88, 154, 164, 287, 308, 328, 451, 574, 616, 751, 902, 1148, 1502, 1804, 2296, 3004, 3157, 3608, 5257, 6008, 6314, 8261, 10514, 12628, 16522, 21028, 25256, 30791, 33044, 42056, 57827, 61582, 66088, 115654, 123164, 215537, 231308, 246328, 338701, 431074, 462616, 677402, 862148, 1354804, 1724296, 2370907, 2709608, 4741814, 9483628, 18967256]

約数ペア:

[(1, 18967256), (2, 9483628), (4, 4741814), (7, 2709608), (8, 2370907), (11, 1724296), (14, 1354804), (22, 862148), (28, 677402), (41, 462616), (44, 431074), (56, 338701), (77, 246328), (82, 231308), (88, 215537), (154, 123164), (164, 115654), (287, 66088), (308, 61582), (328, 57827), (451, 42056), (574, 33044), (616, 30791), (751, 25256), (902, 21028), (1148, 16522), (1502, 12628), (1804, 10514), (2296, 8261), (3004, 6314), (3157, 6008), (3608, 5257)]